Interactive Flat Panel 65/75 Inch All in One Touchscreen Smart Board Interactive Whiteboard for Meeting Presentation Classroom. 4K Ultra HD IPS Display: 3840x2160 resolution with IPS panel, 1.07 billion colors, and 178-degree wide viewing angles. Multi-OS Compatibility: Supports Android, Windows, Linux, and Chrome OS for versatile classroom and meeting use. Customizable Options: Available in 55/65/75/86/98 inch sizes with optional floor stands and customizable front frame colors. High-Performance Hardware: Octa-core CPU, 4GB DDR4 RAM, and 32GB EMMC storage for smooth multitasking and 4K@60Hz playback. Built-in Audio System: Dual 20W speakers with stereo balance, surround sound, and optional 8-microphone array for clear audio. Durable Construction: Aluminum alloy frame with anti-glare, explosion-proof grade 7 tempered glass for safety and longevity. Comprehensive Connectivity: Features HDMI, USB 3.0, Type-C, WiFi 5, BT 5.0, and RJ45 for seamless device integration.